尻尾を掴む
しっぽをつかむ
- to have something on someone; to catch someone out; to trip someone up; to have evidence; to get a lead exp v5m id
- to grab by the tail exp v5m
Kanji
尻
コウ
しり
buttocks; hips; butt; rear
尾
ビ
お
tail; end; counter for fish; lower slope of mountain